Custom Colors Don't Save

[AsteroidPizza39]

Colors added to the Custom colors section of the Color menu don't save, and the section is empty every time the menu is opened.

https://github.com/KillzXGaming/Switch-Toolbox/assets/45804670/efcbe644-015a-4fd6-9dda-87247b4b6d81

I'm trying to change this value for many materials, and not being able to save custom colors significantly increases the time it takes to do this.